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Mustafa Üstün

@mustafastn

Android Developer at BMSPROJE, running a carpark system across 140 POS devices at 8 live sites.

Turkey
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At BMSPROJE, I developed and run a carpark management system across 8 live sites, with about 140 custom POS devices processing roughly 10,000 vehicle entries and exits and 30,000 transaction records per day. I’m the sole mobile developer, building the Java Android client with SQLite offline storage and integrating payment and hardware SDKs.

I also build the .NET REST APIs and maintain the ASP.NET Core MVC and Razor admin application behind the apps. At BMSPROJE, I built Zupos mobile, a Flutter POS application with native Kotlin bridges to fiscal and payment devices, and maintained Tikutu, a Flutter app published on the app stores.

Experience

Work history, roles, and key accomplishments

BM
Current

Android Developer

BMSPROJE

Apr 2023 - Present (3 years 7 months)

Developed and ran a carpark management system across 8 sites with about 140 mobile POS devices handling roughly 10,000 vehicle entries and exits and 30,000 transaction records per day. Implemented device-level behavior, integrated REST/SOAP services and third-party SDKs, and diagnosed hardware-specific crashes from Firebase Crashlytics.

VT

Android Developer

Visanka Technologies

May 2022 - Sep 2022 (4 months)

Built and maintained Android features for a fully remote, distributed team, working entirely in English across time zones.

Education

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Mustafa hasn't added their education

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